Lawn sprinkler



FIG. 1 is a top plan view of a lawn sprinkler showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof, the left side being amirror image;

FIG. 4 is a front end elevational view thereof;

FIG. 5 is a rear end elevational view thereof; and

FIG. 6 is a top, rear and right side perspective view thereof.

The ornamental design for a lawn sprinkler, as shown and described.